Appendix C

COMPARISON OF TUNING SYSTEMS


Octave Number

Pitch

0

1

2

3

4

5

6

7

8

C

32.7032

65.4064

130.8128

261.6256

523.2511

1046.5023

2093.0045

4186.0090

C#/Db

34.6478

69.2957

138.5913

277.1826

554.3653

1108.7305

2217.4610

D

36.7081

73.4162

146.8324

293.6648

587.3295

1174.6591

2349.3181

D#/Eb

38.8909

77.7817

155.5635

311.1270

622.2540

1244.5079

2489.0159

E

41.2034

82.4069

164.8138

329.6276

659.2551

1318.5102

2637.0205

F

43.6535

87.3071

174.6141

349.2282

698.4565

1396.9129

2793.8259

F#/Gb

46.2493

92.4986

184.9972

369.9944

739.9888

1479.9777

2959.9554

G

48.9994

97.9989

195.9977

391.9954

783.9909

1567.9817

3135.9635

G#/Ab

51.9131

103.8262

207.6523

415.3047

830.6094

1661.2188

3322.4376

A

27.5000

55.000

110.0000

220.0000

440.0000

880.0000

1760.0000

3520.0000

A#/Bb

29.1352

58.2705

116.5409

233.0819

466.1638

932.3275

1864.6550

3729.3101

B

30.8677

61.7354

123.4708

246.9417

493.8833

987.7666

1975.5332

3951.0664

Frequency equivalents in hertz of the pitches of the equal tempered scale over the range of the piano keyboard.

The following chart (from C.A. Taylor, The Physics of Musical Sounds, London, 1965, pp. 128-9, used by permission) shows the comparative frequency ratios in Hertz and cents of the notes in the scale as they occur in the PYTHAGOREAN, JUST INTONATION, and EQUAL TEMPERAMENT systems of TUNING.

See also: INTERVAL, SCALE